Wisdom Quotes - Page 167
C. S. Lewis (2009). “A Year with C. S. Lewis: Daily Readings from His Classic Works”, p.18, Harper Collins
Bertrand Russell (2004). “Sceptical Essays”, p.126, Psychology Press
Benjamin Franklin (2004). “Poor Richard's Almanack”, p.117, Barnes & Noble Publishing
Sir Arthur Helps (1883). “Thoughts in the Cloister and the Crowd”
Alfred North Whitehead (1967). “Aims of Education”, p.3, Simon and Schuster
Alan Lakein (1974). “How to get control of your time and your life”, Signet Book